getMetaFilesInFolder() now allows a callback for sorting and falls back to default sorting identical to getFilesForReference()
getMetaFilesInFolder() now allows a callback for sorting and falls back
to default sorting identical to getFilesForReference()

Change-Id: Ib228dbccc3ea39c59d8ff3e9e60b06cc6a54b013

Vectrex/vxPHP